local token = nil
if ngx.req.get_method() == "GET" then
    local args_query = ngx.req.get_uri_args()
    token = args_query['token']
end 

if token == "sz" then
    return ngx.exec("@sz")
elseif token == "wx" then
    return ngx.exec("@wx")
else
    return ngx.exec("@no_ct")
end



